Home / 171,724.95-257,405.63-57,764.27

Finding the Fourth Proportional to 171,724.95, 257,405.63 and 57,764.27

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Solution

The fourth proportional to 171,724.95, 257,405.63 and 57,764.27 is: 86,585.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,724.95 : 257,405.63 = 57,764.27 : x
  2. Step 2: Convert to fraction form
    171,724.95/257,405.63 = 57,764.27/x
  3. Step 3: Cross multiply
    171,724.95x = 257,405.63 × 57,764.27
  4. Step 4: Simplify right side
    171,724.95x = 14,868,848,022.02
  5. Step 5: Solve for x
    x = 14,868,848,022.02/171,724.95
  6. Step 6: Final answer
    x = 86,585.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.